/Engine/Plugins/Media/ElectraUtil/Source/ElectraBase/Public/Utilities/URLParser.h
Resolves this URL (which should be relative) against the specified URL.
[FURL_RFC3986](API\Plugins\ElectraBase\Utilities\FURL_RFC3986) & ResolveAgainst ( const [FString](API\Runtime\Core\Containers\FString) & InParentURL )